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Finding the Fourth Proportional to 118,277.68, 163,216.32 and 64,552

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Solution

The fourth proportional to 118,277.68, 163,216.32 and 64,552 is: 89,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.68 : 163,216.32 = 64,552 : x
  2. Step 2: Convert to fraction form
    118,277.68/163,216.32 = 64,552/x
  3. Step 3: Cross multiply
    118,277.68x = 163,216.32 × 64,552
  4. Step 4: Simplify right side
    118,277.68x = 10,535,939,888.64
  5. Step 5: Solve for x
    x = 10,535,939,888.64/118,277.68
  6. Step 6: Final answer
    x = 89,078.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.